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Chemistry Test 38
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  • Question 1/30
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    The most abundant element on the earth is
  • Question 2/30
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    Who is awarded by noble prize for the discovery is neutron?
  • Question 3/30
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    Aluminum is extracted from –
  • Question 4/30
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    Which algae is used as biofertilizer in the production of crop paddy?
  • Question 5/30
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    Who discovered the natural radioactivity?
  • Question 6/30
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    To protect the iron from getting rusted, the coat of zinc is applied on it. This process is known as–
  • Question 7/30
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    In methane molecule how are the four hydrogen atoms arranged?
  • Question 8/30
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    Suspended colloidal particles in water can be removed by the process of –
  • Question 9/30
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    Which of the following is not a chemical change?
  • Question 10/30
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    Cathode rays are–
  • Question 11/30
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    Which polymeric material is used for making bullet proof jacket?
  • Question 12/30
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    Purification of copper is done by –
  • Question 13/30
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    Gun Powder was discovered by–
  • Question 14/30
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    With the rise of temperature, what happens in the speed of sound in a gas?
  • Question 15/30
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    Which gas has maximum colorific value?
  • Question 16/30
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    Which is the cloud that is dark-grey or black, found at very low height and brings the real rain?
  • Question 17/30
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    Which two basic forces are able to provide on attractive force between the two neutrons?
  • Question 18/30
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    Which is used as a filler in rubber tyres?
  • Question 19/30
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    Chemically ‘Philosopher wood’ is a–
  • Question 20/30
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    Mark the compound which posses ionic, covalent and co–ordinate bond:
  • Question 21/30
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    Which of the following is used in welding broken pieces of iron rails and parts of machine –
  • Question 22/30
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    Chocolates nay Harmful to Health because they contains High quantity of –
  • Question 23/30
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    If a liquid wets a solid surface, what is the angle of contact?
  • Question 24/30
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    Green House effect means
  • Question 25/30
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    Which one among the following is Lubricant?
  • Question 26/30
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    Which naturally occurring element in the rice husk makes it termite resistant?
  • Question 27/30
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    Which one of the following is an iron ore?
  • Question 28/30
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    Which environment leads to the occurrence of acid rain?
  • Question 29/30
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    Wax used for making candles is chemically a mixture of–
  • Question 30/30
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    Coolant ‘Freon’ is–
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